/***************************************************************************
 *   Copyright (C) 2009 by Bernhard Neuhofer   *
 *   mail@bneu.at   *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

#include "memento.h"
#include "modelentity.h"
#include "abstractAdapter.h"

#ifndef ROLLBACKABLEADAPTER_H
#define ROLLBACKABLEADAPTER_H
/**
* @brief  Abstract Adapter for time warp.
* Used to save and restore the ModelEntity state via memento pattern
*/
class RollbackableAdapter:public AbstractAdapter

{
	public:
		/**
		 * Creates a memento of the given model entity
		 * @param modelEntity The model entity
		 * @return The Memento
		 */
		virtual Memento* createMemento ( ModelEntity * modelEntity ) =0;

		/**
		 * Restores the given memento for given modelentity.
		 * @param modelEntity  The model entity for which the memento is restored
		 * @param memento The Memento
		 */
		virtual void setMemento ( ModelEntity * modelEntity, Memento * memento )=0;

};
#endif